Previous posts on this topic: Preparing the Post Editor for Full iframe Integration (November 2025) Blocks in an iframed (template) editor (June 2021) Current Situation All editors except the post editor (site editor, template editor, all block, template and device previews) are currently already iframed unconditionally. The post editor is currently only iframed in core … Continue reading Iframed Editor Changes in WordPress 7.0